Cc: linux-mips@linux-mips.org Acked-by: Ralf Baechle ralf@linux-mips.org Signed-off-by: Yang Shi yang.shi@linaro.org --- arch/mips/mm/gup.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/arch/mips/mm/gup.c b/arch/mips/mm/gup.c index 349995d..3c5b8c8 100644 --- a/arch/mips/mm/gup.c +++ b/arch/mips/mm/gup.c @@ -12,6 +12,9 @@ #include <linux/swap.h> #include <linux/hugetlb.h>
+#define CREATE_TRACE_POINTS +#include <trace/events/gup.h> + #include <asm/cpu-features.h> #include <asm/pgtable.h>
@@ -211,6 +214,8 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, (void __user *)start, len))) return 0;
+ trace_gup_get_user_pages_fast(start, nr_pages, write, pages); + /* * XXX: batch / limit 'nr', to avoid large irq off latency * needs some instrumenting to determine the common sizes used by @@ -277,6 +282,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, if (end < start || cpu_has_dc_aliases) goto slow_irqon;
+ trace_gup_get_user_pages_fast(start, nr_pages, write, pages); + /* XXX: batch / limit 'nr' */ local_irq_disable(); pgdp = pgd_offset(mm, addr);